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Pelajaran matematika sering dianggap sebagai mata pelajaran tersulit bagi para siswa di sekolah. Sebab, ada begitu banyak rumus matematika yang perlu dihafal agar bisa menyelesaikan setiap soal ujian.
Nah, kalo kamu saat ini masih sering kesulitan dalam menyelesaikan soal-soal pelajaran matematika saat ujian, berikut ini ada beberapa rumus matematika yang paling sering digunakan dan perlu kamu kuasai. Yuk simak!
Kumpulan Rumus Matematika Luas Bangun Datar
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Ilustrasi anak belajar (kompas)
Persegi = s x s
Persegi panjang = p x l
Jajar Genjang = a x t
Segitiga = 1/2 x a x t
Belah Ketupat = 1/2 x d1 x d2
Layang-layang = 1/2 x d1 x d2
Trapesium = a +b/2 x t
Lingkaran = π x r x r
Contoh soal
Sebuah persegi panjang memiliki lebar 5 cm dan panjang 8 cm. Tentukan luas persegi panjang tersebut.
Diketahui, panjang = 8 cm dan lebar = 5 cm
Luas persegi panjang = p x l
= 8 cm x 5 cm
= 40 cm2
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